| AS | Desc | Country / Region | IPv4 NUMs | IPv6 NUMs |
|---|---|---|---|---|
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US |  United States |
8507136 | 257698758656 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC, US | United States |
29740544 | 77331955712 |
| AS6461 | ZAYO-6461 - Zayo Bandwidth, US | United States |
1672448 | 17985634304 |